package com.itc.bi.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.*;

/**
 * @BelongsProject: itc-airport-cloud
 * @BelongsPackage: com.itc.bi.config
 * @Author: hecaiy
 * @CreateTime: 2024-06-14  14:31
 * @Description: TODO  构建异步线程池
 * @Version: 1.0
 */
@Configuration
@EnableAsync
@Slf4j
public class ExecutorConfig {

    @Bean(name = "asyncServiceExecutor")
    public ThreadPoolExecutor asyncServiceExecutor(){
        return new ThreadPoolExecutor(20,1000,100, TimeUnit.SECONDS,
                new LinkedBlockingDeque<>(100000),
                Executors.defaultThreadFactory(),
                new ThreadPoolExecutor.AbortPolicy());
    }

//    public Executor asyncServiceExecutor() {
//        log.info("start asyncServiceExecutor");
//        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
//        //配置核心线程数
//        executor.setCorePoolSize(16);
//        //配置最大线程数
//        executor.setMaxPoolSize(800);
//        //配置队列大小
//        executor.setQueueCapacity(9988);
//        //配置线程池中的线程的名称前缀
//        executor.setThreadNamePrefix("async_bi_");
//        //配置存活时间
//        executor.setKeepAliveSeconds(100);
//        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
//        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
//        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
//        //执行初始化
//        executor.initialize();
//        return executor;
//    }
}
